Universal portable airplane hydraulic pipeline cleaning device and method

Abstract

The invention belongs to the technical field of aircraft assembling and manufacturing, and discloses a universal portable aircraft hydraulic pipeline cleaning device and method.The universal portable aircraft hydraulic pipeline cleaning device comprises a vehicle frame, a hydraulic pipeline cleaning device and a hydraulic pipeline cleaning device, the vehicle frame is designed to be of a detachable frame structure and comprises two symmetrically-arranged supporting frames and a quick-release supporting rod connected with the two supporting frames; the at least two oil storage tanks are respectively arranged on the two supporting frames; a plurality of connecting hoses of different specifications are arranged on the opposite sides of the two oil storage tanks respectively, and every two connecting hoses of the same specification correspond to each other; wherein one oil storage tank is provided with an oil inlet channel, and the other oil storage tank is provided with an oil outlet channel. The problem that the aircraft hydraulic pipeline is inconvenient to clean is solved, the aircraft hydraulic pipeline cleaning device can be connected with hydraulic pipelines of various specifications on an aircraft, hydraulic guide pipes of different specifications can be cleaned at the same time, and the guide pipe cleaning efficiency is greatly improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of aircraft assembly and manufacturing, and particularly relates to a general portable aircraft hydraulic pipeline cleaning device and method. Background Art

[0002] After the aircraft hydraulic system is installed on the aircraft, it is necessary to use hydraulic oil to clean the pipeline to ensure the cleanliness and airtightness inside the pipeline. Since there are many pressure equipment used in the hydraulic system and the principle is complex, all pipelines cannot be cleaned at one time from the cleaning interface reserved on the aircraft. It is necessary to use plugs and connectors of various specifications to test and modify the pipeline, isolate the branch pipeline and clean it separately. This cleaning method is time-consuming and laborious, with low efficiency. The process of modifying the pipeline is complex, and there is a risk of incorrect connection during restoration, which affects flight safety. Summary of the Invention

[0003] The purpose of the present invention is to provide a general portable aircraft hydraulic pipeline cleaning device and method to overcome the disadvantage of low cleaning efficiency in the prior art. The aircraft hydraulic pipeline cleaning device can connect multiple conduits for cleaning at the same time, improving the pipeline cleaning efficiency; the hose can connect pipelines of various specifications on the aircraft, with general applicability; each component of the device is connected by a quick-release joint, which can be quickly disassembled and assembled. After disassembly, it can be stored in a small packing box, with high portability.

[0004] The technical solution of the present invention is realized as follows:

[0005] In the first aspect, the present invention provides a general portable aircraft hydraulic pipeline cleaning device, which includes:

[0006] A frame, which is designed as a detachable frame structure, including two symmetrically arranged support frames and a quick-release support rod connecting the two support frames;

[0007] At least two fuel tanks, which are respectively arranged on the two support frames; on the opposite sides of the two fuel tanks, several connecting hoses of different specifications are respectively provided, and two connecting hoses of the same specification are arranged in pairs; an oil inlet channel is provided in one fuel tank, and an oil outlet channel is provided in the other.

[0008] As a further scheme of the present invention: the fuel tank is designed as an arc-shaped cavity body, and several straight-through joints are provided on both sides thereof, and the connecting hoses are all connected to the fuel tank through the straight-through joints.

[0009] As a further scheme of the present invention: the oil inlet channel is composed of an oil supply joint and a straight-through joint; the oil outlet channel is composed of an oil return joint and a straight-through joint.

[0010] As a further scheme of the present invention: one end of the connecting hose is connected to the straight-through joint on the fuel tank, and the other end is also connected to a straight-through joint and is provided with a plug.

[0011] As a further solution of the present invention: the connecting hose is a metal braided hose, which is also provided with a spherical valve.

[0012] As a further solution of the present invention: the support frame is designed in a sun shape, with two sockets extending from the upper and lower ends respectively, for convenient plugging in the oil storage tank and the universal wheel; the frame as a whole is a three-layer frame structure, with the oil storage tank plugged in the upper layer and the universal wheel plugged in the lower layer; handrails are fixedly connected to the two support frames.

[0013] As a further solution of the present invention: an oil collecting trough extending downward is provided on the upper layer of the frame, and the oil collecting trough is designed as a foldable structure, divided into three layers, the upper and lower layers are hard plastic, and the middle layer is soft rubber; after unfolding, the oil collecting trough has an inverted trapezoidal structure.

[0014] As a further solution of the present invention: an oil drain switch is provided at the lowest point of the bottom of the oil receiving tank.

[0015] As a further solution of the present invention: both ends of the quick-release support rod and the oil receiving groove are provided with hooks, and the two ends are connected to the cross bar of the support frame through the hooks.

[0016] In a second aspect, the present invention provides a universal and portable aircraft hydraulic pipeline cleaning method, which comprises the following steps:

[0017] The two support frames are connected by two quick-release support rods, the oil receiving tank is hung on the frame, and the oil storage tank and the universal wheel are respectively plugged into the upper and lower ends of the support frame;

[0018] After assembly, the cleaning device is moved to the aircraft pipeline to be cleaned;

[0019] Select a suitable connecting hose according to the specifications of the onboard duct, open the plug at the end of the connecting hose, and connect the onboard duct;

[0020] Connect the oil supply joint and oil return joint of the cleaning device to the test port of the hydraulic cleaning test equipment, open the ball valve on the connecting hose, start the hydraulic cleaning vehicle to clean the on-machine conduit, and after the cleaning is completed, disconnect the connecting hose from the on-machine conduit and plug the blockage;

[0021] Remove the oil tank from the frame, pour out the oil inside, fold it and store it, then quickly disassemble the components and finally place them together in the packaging box.

[0022] The beneficial effects of this application are:

[0023] 1. After the hydraulic conduits are installed on the aircraft, the aircraft hydraulic pipeline cleaning device of the present application can simultaneously connect multiple conduits of various specifications for cleaning through the connecting hose on the aircraft hydraulic pipeline cleaning device, which greatly improves the pipeline cleaning efficiency.

[0024] 2. The hydraulic pipeline cleaning device of the present application contains hoses of various specifications, which can realize the quick connection of hydraulic conduits of different specifications on the aircraft and has general applicability.

[0025] 3. Each component of the hydraulic pipeline cleaning device of the present application is connected by quick-release joints, which can be quickly disassembled and assembled. After disassembly and assembly, it can be stored in a small packing box, with high portability.

[0026] The following further describes the present application in detail in conjunction with the accompanying drawings of the embodiments. Brief Description of the Drawings

[0027] Figure 1 It is a schematic structural diagram of a general and portable aircraft hydraulic pipeline cleaning device of the present invention;

[0028] Figure 2 It is a disassembly schematic diagram of a general and portable aircraft hydraulic pipeline cleaning device of the present invention;

[0029] Figure 3 It is a storage schematic diagram of a general and portable aircraft hydraulic pipeline cleaning device of the present invention.

[0030] Description of the numbers in the figure: 1. Frame; 2. Oil supply joint; 3. Oil supply storage tank; 4. Ball valve; 5. Connecting hose; 6. Return oil storage tank; 7. Return oil joint; 8. Oil receiving tank; 9. Quick-release support rod; 10. Universal wheel. Detailed Description of the Embodiment

[0031] To make the purpose, technical solution and advantages of the implementation of the present invention clearer, the technical solution in the embodiments of the present invention will be described in more detail below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0032] In the accompanying drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all, of the embodiments of the present invention. The embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts fall within the scope of protection of the present invention.

[0033] The following will be described in detail with reference to the attached Figures 1-3 the embodiments of the present invention.

[0034] Embodiment 1

[0035] The present invention provides a general and portable aircraft hydraulic pipeline cleaning device, which includes:

[0036] Frame 1, which is designed as a detachable frame structure, includes two symmetrically arranged support frames and a quick-release support rod 9 connecting the two support frames;

[0037] Fuel storage tanks, at least two, are respectively arranged on the two support frames; on the opposite sides of the two fuel storage tanks, a number of connecting hoses 5 of different specifications are respectively provided, and two connecting hoses 5 of the same specification are arranged in pairs correspondingly; one of the fuel storage tanks is provided with an oil inlet passage, and the other is provided with an oil outlet passage.

[0038] The fuel storage tanks are divided into a fuel supply storage tank 3 and a return oil storage tank 6, both of which are designed as arc-shaped cavity bodies, and a number of straight-through joints are provided on both sides thereof, and the connecting hoses 5 are all communicated with the fuel storage tanks through the straight-through joints.

[0039] The oil inlet passage is composed of an oil supply joint 2 and a straight-through joint; the oil outlet passage is composed of a return oil joint 7 and a straight-through joint.

[0040] One end of the connecting hose 5 is connected to the straight-through joint on the fuel storage tank, and the other end is also connected to a straight-through joint and is provided with a plug.

[0041] The connecting hose 5 is a metal braided hose, and a spherical valve 4 is also provided thereon, which can realize the independent control of each pipeline.

[0042] The support frame is designed in a "day" shape, and two sockets extend from the upper and lower ends respectively, which are convenient for inserting the fuel storage tank and the universal wheels 10; the frame 1 is a three-layer frame structure as a whole, the fuel storage tank is inserted in the upper layer, and the universal wheels 10 are inserted in the lower layer; a lock is provided at the bottom of the universal wheels 10 to realize the fixation of the wheels. Handrails are fixedly connected to both support frames, which is convenient for workers to move the cleaning device.

[0043] An oil receiving groove 8 extending downward is provided in the upper layer of the frame 1 for holding the excess leaked oil. The oil receiving groove 8 is designed as a foldable structure, divided into three layers, the upper and lower layers are made of hard plastic, and the middle layer is made of soft rubber; after being unfolded, the oil receiving groove 8 is in an inverted trapezoidal structure.

[0044] An oil drain switch is provided at the lowest point of the bottom of the oil receiving groove 8.

[0045] Hooks are provided at both ends of the quick-release support rod 9 and the oil receiving groove 8, and both ends are connected to the cross bar of the support frame through the hooks. The shape of the hooks needs to match the cross bar of the support frame to facilitate fitting, so that the assembled frame 1 has a certain stability.

[0046] Embodiment 2

[0047] As Figure 1As shown in the figure, the present invention provides a general portable aircraft hydraulic pipeline cleaning device, which includes a vehicle frame 1, a fuel supply joint 2, a fuel supply storage tank 3, a spherical valve 4, a connecting hose 5, a return oil storage tank 6, a return oil joint 7, an oil receiving trough 8, a quick-release support rod 9, and universal wheels 10.

[0048] The vehicle frame 1 is a vertical rigid structural member. There are four universal wheels 10 at the bottom of the vehicle frame 1, and handrails are provided on both sides of the vehicle frame 1. The fuel supply storage tank 3 is an arc-shaped cavity structural member, and a fuel supply joint 2 and a connecting hose 5 are provided on both sides. The connecting hose 5 is a metal braided hose, and a spherical valve 4 is provided on the connecting hose 5. A plug is provided at the end of the connecting hose 5. The oil receiving trough 8 is a trapezoidal flexible structure, and the four corners are semi-circular quick-release structures. The quick-release support rod 9 is a cylindrical rigid structure, and semi-circular quick-release structures are provided at both ends.

[0049] Both ends of the vehicle frame 1 are cylindrical quick-release sockets, which can be quickly connected to the circular plugs of the fuel supply storage tank 4, the return oil storage tank 6, and the universal wheels 10.

[0050] There is a through joint on the fuel supply storage tank 3, and the connecting hose 5 is connected to the fuel supply storage tank 3 through the through joint to the storage tank.

[0051] The end joint of the connecting hose 5 is a through joint, which can be connected to the on-board conduit.

[0052] During implementation, take out each component of the hydraulic pipeline cleaning device from the packing box, insert the four universal wheels 10 into the circular sockets at the lower end of the vehicle frame 1, then install the 2 quick-release support rods 9 at both ends in the middle of the vehicle frame 1, insert the fuel supply storage tank 3 and the return oil storage tank 6 into the circular sockets at the upper end of the vehicle frame 1, install the semi-circular structures at the four corners of the oil receiving trough 8 on the vehicle frame 1. After quickly completing the assembly, hold the handrail and move to the position of the aircraft pipeline to be cleaned. Select a suitable connecting hose 5 according to the on-board conduit specification, open the plug at the end of the connecting hose 5, and connect the on-board hose. Connect the fuel supply joint 2 and the return oil joint 7 of the cleaning device to the test ports of the hydraulic cleaning test equipment, open the spherical valve 4 on the connecting hose, start the hydraulic cleaning vehicle to clean the on-board conduit. After the cleaning is completed, disconnect the hose 5 from the on-board conduit and plug the plug. Remove the oil receiving trough 8 from the vehicle frame 1, pour out the oil inside, fold and store it, then quickly disassemble each component, and finally place them together in the packing box.

[0053] Embodiment 3

[0054] The present invention provides a general portable aircraft hydraulic pipeline cleaning method, which includes the following steps:

[0055] Connect the two support frames through two quick-release support rods, hang the oil drain tank on the vehicle frame, and insert the oil storage tank and the universal wheels at the upper and lower ends of the support frame respectively.

[0056] After assembly, move the cleaning device to the pipeline to be cleaned on the aircraft.

[0057] Select a suitable connecting hose according to the specifications of the on-board conduit, open the plug at the end of the connecting hose, and connect the on-board conduit.

[0058] Connect the oil supply joint and the oil return joint of the cleaning device to the test ports of the hydraulic cleaning test equipment, open the ball valve on the connecting hose, start the hydraulic cleaning vehicle to clean the on-board conduit, disconnect the connection between the connecting hose and the on-board conduit after cleaning, and plug the plug.

[0059] Remove the oil drain tank from the vehicle frame, pour out the oil inside, fold it and store it, then quickly disassemble each component, and finally place them together in the packing box.

[0060] Thus, the purpose of the present invention is completed.

[0061] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A universal and portable aircraft hydraulic pipeline cleaning device, characterized in that: Including: A vehicle frame, designed as a detachable frame structure, including two symmetrically arranged support frames and a quick-release support rod connecting the two support frames; At least two fuel storage tanks, respectively arranged on the two support frames; on the opposite sides of the two fuel storage tanks, several connecting hoses of different specifications are respectively provided, and two connecting hoses of the same specification are arranged in pairs correspondingly; one of the fuel storage tanks is provided with an oil inlet passage, and the other is provided with an oil outlet passage.

2. The universal portable aircraft hydraulic pipeline cleaning device according to claim 1 is characterized in that: The fuel storage tank is designed as an arc-shaped cavity body, and several straight-through joints are provided on both sides thereof, and the connecting hoses are all communicated with the fuel storage tank through the straight-through joints.

3. The universal portable aircraft hydraulic pipeline cleaning device according to claim 2 is characterized in that: The oil inlet passage is composed of an oil supply joint and a straight-through joint; the oil outlet passage is composed of an oil return joint and a straight-through joint.

4. The universal portable aircraft hydraulic pipeline cleaning device according to claim 2 or 3, characterized in that: One end of the connecting hose is connected to the straight-through joint on the fuel storage tank, and the other end is also connected to a straight-through joint and is provided with a plug.

5. The universal portable aircraft hydraulic pipeline cleaning device according to claim 4 is characterized in that: The connecting hose is a metal braided hose, and a spherical valve is also provided thereon.

6. The universal portable aircraft hydraulic pipeline cleaning device according to claim 5, characterized in that: The support frame is designed as a "day" shape, and two sockets extend from the upper and lower ends respectively, facilitating the insertion of the fuel storage tank and the universal wheel; the whole vehicle frame is a three-layer frame structure, with the fuel storage tank inserted in the upper layer and the universal wheel inserted in the lower layer; armrests are fixedly connected to both support frames.

7. The universal portable aircraft hydraulic pipeline cleaning device according to claim 6 is characterized in that: An oil receiving tank extending downward is provided on the upper layer of the vehicle frame, and the oil receiving tank is designed as a foldable structure, divided into three layers, with the upper and lower layers made of hard plastic and the middle layer made of soft rubber; after being unfolded, the oil receiving tank is in an inverted trapezoidal structure.

8. The universal portable aircraft hydraulic pipeline cleaning device according to claim 7, characterized in that: An oil drain switch is provided at the lowest point of the bottom of the oil receiving tank.

9. The universal portable aircraft hydraulic pipeline cleaning device according to claim 8, characterized in that: Hooks are provided at both ends of the quick-release support rod and the oil receiving tank, and both ends are connected to the cross bar of the support frame through the hooks.

10. A universal and portable aircraft hydraulic pipeline cleaning method, characterized in that: Including the following steps: Connect the two support frames through two quick-release support rods, hang the oil receiving tank on the vehicle frame, and insert the fuel storage tank and the universal wheel at the upper and lower ends of the support frame respectively; After assembly, move the cleaning device to the pipeline to be cleaned on the aircraft; Select a suitable connecting hose according to the specifications of the on-board conduit, open the plug at the end of the connecting hose, and connect the on-board conduit; Connect the oil supply joint and the oil return joint of the cleaning device to the test ports of the hydraulic cleaning test equipment, open the spherical valve on the connecting hose, start the hydraulic cleaning vehicle to clean the on-board conduit, and after the cleaning is completed, disconnect the connection between the connecting hose and the on-board conduit and plug the plug; Remove the oil receiving tank from the vehicle frame, pour out the oil liquid inside, fold and store it, then quickly disassemble each component, and finally place them together in the packing box.

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